Client Side Error

SyntaxError: Unexpected token '<', "<!DOCTYPE "... is not valid JSON
    at JSON.parse (<anonymous>)
    at parseJSONFromBytes (node:internal/deps/undici/undici:5329:19)
    at successSteps (node:internal/deps/undici/undici:5300:27)
    at fullyReadBody (node:internal/deps/undici/undici:1447:9)
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
    at async specConsumeBody (node:internal/deps/undici/undici:5309:7)
    at async j.getInitialProps (/srv/doc_root/hexens.io/.next/server/pages/services/[slug].js:1:5096)
    at async es (/srv/doc_root/hexens.io/node_modules/next/dist/compiled/next-server/pages.runtime.prod.js:16:5074)
    at async es (/srv/doc_root/hexens.io/node_modules/next/dist/compiled/next-server/pages.runtime.prod.js:16:5036)
    at async e9 (/srv/doc_root/hexens.io/node_modules/next/dist/compiled/next-server/pages.runtime.prod.js:25:3828)